International
Certificate
2021

Boat

JAZZ

EST 935

 
Offshore
Racing
Congress

Certificate number: 226/21
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°41.6°40.5°39.4°39.0°39.0°40.1°
Beat VMG3.494.224.764.995.085.105.16
52°5.356.356.947.177.257.297.38
60°5.686.637.147.377.467.517.61
75°5.956.857.287.577.787.908.00
90°5.896.917.377.637.938.218.58
110°5.927.037.567.978.278.518.93
120°5.776.927.497.948.438.859.39
135°5.226.427.207.658.118.609.79
150°4.395.496.507.207.628.048.99
Run VMG3.814.765.636.366.977.448.24
Gybe Angles141.0°148.5°150.5°158.0°180.0°180.0°180.0°

GPH = 611.8

CDL = 9.103

BOAT
ClassFirst 35 𝕚DesignerBruce FarrBuilderBeneteauAge Date04/2010Series Date02/2009Offset FileFIRST35-EST935.off
HULL
Length Overall10.660 mMaximum Beam3.636 mDraft2.033 mDisplacement5,423 kgDLR6.3427IMS DivisionCruiser/RacerDynamic Allowance0.082%Age Allowance0.390%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.410m
CREW
Maximum weight715 kg𝕚Minimum weight536 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail44.0745.02Headsail Luffed31.7131.71Headsail FlyingSymmetric106.54𝕚106.54𝕚Asymmetric
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment126.9 kg·mStability Index123.5
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.

International
Certificate
2021

Boat

JAZZ

EST 935

 
Offshore
Racing
Congress

Certificate number: 226/21
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1030.7852.5756.3721.2709.3705.6697.5
52°672.6567.2518.9502.1496.4494.0487.7
60°634.2542.6504.5488.7482.3479.2473.3
75°605.1525.7494.3475.9462.9455.6450.3
90°611.6520.9488.5472.0454.2438.3419.4
110°607.7511.9476.3451.8435.6423.3403.1
120°624.4520.1480.7453.2427.1406.8383.4
135°689.9560.8500.2470.8444.1418.4367.8
150°819.2655.3553.7499.8472.3447.6400.6
Run VMG945.9756.7639.0565.9516.3484.1436.7
Selected Courses
Windward / Leeward988.3804.6697.6643.6612.8594.8567.1
All purpose759.4628.7562.3529.4508.3494.8472.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward672.90.8917
All purpose546.91.0971
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7674
Downwind "popa"0.9667
70% up, 30% down "Ilhabela"0.8180
30% up, 70% down "Ilhabela-inverso"0.8968
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Predominantly Upwind596.11.0066
Predominantly Downwind550.21.0905
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low694.00.8645
Triple Number All Purpose Medium543.31.1043
Triple Number All Purpose High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Predominantly Upwind596.11.0066
Predominantly Downwind550.21.0905
Predominantly Upwind Low781.20.7681
Predominantly Upwind Medium617.00.9725
Predominantly Upwind High582.71.0298
Predominantly Downwind Low750.70.7993
Predominantly Downwind Medium543.51.1041
Predominantly Downwind High454.31.3207
Chicago-Mac Upwind0.9904
Chicago-Mac All Purpose1.0279
Chicago-Mac Downwind1.0731
Bayview-Mac Cove Island0.9588
Bayview-Mac Shore0.9641
Victoria-Maui1.1506
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance596.2
Triple Number Coastal/Long Distance Low694.0
Triple Number Coastal/Long Distance Medium543.3
Triple Number Coastal/Long Distance High489.9
Triple Number Windward/Leeward Low896.5
Triple Number Windward/Leeward Medium667.3
Triple Number Windward/Leeward High588.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8645
Triple Number Coastal/Long Distance Medium1.1043
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6693
Triple Number Windward/Leeward Medium0.8991
Triple Number Windward/Leeward High1.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low694.0
Triple Number Coastal/Long Distance Medium543.3
Triple Number Coastal/Long Distance High489.9
Triple Number Windward/Leeward Low896.5
Triple Number Windward/Leeward Medium667.3
Triple Number Windward/Leeward High588.9
Predominantly Upwind596.1
Predominantly Downwind550.2
Predominantly Reaching529.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8645
Triple Number Coastal/Long Distance Medium1.1043
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6693
Triple Number Windward/Leeward Medium0.8991
Triple Number Windward/Leeward High1.0188
Coastal/Long Distance1.0064
Predominantly Upwind1.0066
Predominantly Downwind1.0905
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0064
Tretall Distanseseilas Lite vind0.8645
Tretall Distanseseilas Mellomvind1.1043
Tretall Distanseseilas Mye vind1.2247
Tretall Pølsebane Lite vind0.6693
Tretall Pølsebane Mellomvind0.8991
Tretall Pølsebane Mye vind1.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind596.11.0066
Predominantly Downwind550.21.0905
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore575.41.0427
Cape Doctor Coastal479.41.2517
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8645
Triple Number Coastal/Long Distance Medium1.1043
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6693
Triple Number Windward/Leeward Medium0.8991
Triple Number Windward/Leeward High1.0188
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8645
Triple Number Coastal/Long Distance Medium1.1043
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6693
Triple Number Windward/Leeward Medium0.8991
Triple Number Windward/Leeward High1.0188
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Predominantly Upwind596.11.0066
Predominantly Downwind550.21.0905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance596.21.0064
Triple Number Coastal/Long Distance Low694.00.8645
Triple Number Coastal/Long Distance Medium543.31.1043
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1755.6630.9564.7528.6499.6451.5
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low694.00.8645
Triple Number All Purpose Medium543.31.1043
Triple Number All Purpose High489.91.2247
Triple Number Windward/Leeward Low896.50.6693
Triple Number Windward/Leeward Medium667.30.8991
Triple Number Windward/Leeward High588.91.0188
Predominantly Upwind596.11.0066
Predominantly Downwind550.21.0905
Predominantly Upwind Low781.20.7681
Predominantly Upwind Medium617.00.9725
Predominantly Upwind High582.71.0298
Predominantly Downwind Low750.70.7993
Predominantly Downwind Medium543.51.1041
Predominantly Downwind High454.31.3207
Chicago-Mac Upwind0.9904
Chicago-Mac All Purpose1.0279
Chicago-Mac Downwind1.0731
Bayview-Mac Cove Island0.9588
Bayview-Mac Shore0.9641
Harvest Moon Regatta482.91.2425
Victoria-Maui1.1506

International
Certificate
2021

Boat

JAZZ

EST 935

 
Offshore
Racing
Congress

Certificate number: 226/21
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassFirst 35 𝕚Measurement04/10/2010𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionSolid𝕚Carbon RudderNo𝕚Light stanchions𝕚Trim tabNo𝕚
LOA10.660𝕚Max. Beam3.636𝕚Draft2.033𝕚Displacement5,423𝕚Wetted area26.04𝕚IMS L9.653𝕚LSM09.491𝕚Acc. length10.660𝕚Sink (kg/mm)18.98𝕚
VCGD-0.011𝕚VCGM-0.001𝕚RM Measured (kg·m)126.9𝕚RM Default (kg·m)134.4𝕚Limit of positive stability(°)124.3𝕚Stability Index123.5𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.410𝕚EDL2.190𝕚ST30.180𝕚Twin screwNo𝕚PBW0.110𝕚ST10.040𝕚ST40.110𝕚PIPA0.0033𝕚ST20.180𝕚ST50.280𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingYes𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P14.500𝕚IG14.610𝕚ISP15.040𝕚MDT10.102𝕚MDL10.194𝕚MDT20.069𝕚MDL20.160𝕚TL1.410𝕚MW0.185𝕚GO0.200𝕚
E4.900𝕚J3.950𝕚BAS1.590𝕚FSD0.038𝕚SFJ0.000𝕚SPL4.300𝕚TPS0.000𝕚BD0.220𝕚MWT120.00𝕚MCG5.280𝕚
FLOTATION AND STABILITY
Inclining TestPoles Inclining𝕚SFFP0.422𝕚SAFP10.320𝕚Flotation Date24/07/2021𝕚FFM1.401𝕚FAM1.089𝕚Measurer𝕚FF1.408𝕚FA1.098𝕚Comment𝕚LCFcl5.819𝕚LCFsh6.068𝕚SG1.0000𝕚HBI1.288𝕚
W176.5𝕚W276.5𝕚W376.5𝕚W476.5𝕚
PD1567.2𝕚PD2566.5𝕚PD3567.8𝕚PD4568.2𝕚
WD11.950𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription1𝕚Water𝕚plastic𝕚100.0𝕚4.60𝕚𝕚0.0𝕚Portside𝕚2𝕚Fuel𝕚Plastic𝕚75.0𝕚8.65𝕚𝕚15.0𝕚center𝕚
IdItemDescriptionWeightLCGVCG
1𝕚Battery90 Ah portside lithium𝕚𝕚8.20𝕚𝕚2𝕚Battery70 Ah engine room𝕚𝕚6.60𝕚𝕚1𝕚MiscellaneousAutohelm𝕚𝕚10.00𝕚𝕚2𝕚Miscellaneousheater𝕚𝕚10.00𝕚𝕚3𝕚MiscellaneousOven removed 𝕚𝕚𝕚𝕚

International
Certificate
2021

Boat

JAZZ

EST 935

 
Offshore
Racing
Congress

Certificate number: 226/21
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment1a𝕚0.70𝕚1.33𝕚2.09𝕚3.21𝕚4.09𝕚44.07𝕚𝕚08/06/2021𝕚North Sails𝕚Unknown𝕚2021𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment3a𝕚0.08𝕚0.66𝕚1.25𝕚2.22𝕚3.17𝕚4.13𝕚14.59𝕚Yes𝕚No𝕚 𝕚31.71𝕚𝕚08/06/2021𝕚North Sails𝕚Unknown𝕚Light 2021𝕚2a𝕚0.11𝕚0.66𝕚1.22𝕚2.21𝕚3.14𝕚4.13𝕚14.58𝕚Yes𝕚No𝕚 𝕚31.51𝕚𝕚08/06/2021𝕚North Sails𝕚Unknown𝕚Medium 2021𝕚5𝕚0.04𝕚0.80𝕚1.60𝕚2.93𝕚3.77𝕚4.08𝕚11.82𝕚No𝕚Inner𝕚 𝕚29.94𝕚𝕚02/07/2021𝕚𝕚Unknown𝕚Staysail𝕚4𝕚0.09𝕚0.60𝕚1.16𝕚2.17𝕚3.15𝕚4.14𝕚13.81𝕚Yes𝕚No𝕚 𝕚29.53𝕚𝕚08/06/2021𝕚North Sails𝕚Unknown𝕚Med/cruise𝕚1𝕚0.09𝕚0.58𝕚1.09𝕚2.08𝕚3.07𝕚4.07𝕚14.09𝕚Yes𝕚No𝕚 𝕚29.23𝕚𝕚08/02/2021𝕚North Sails𝕚Unknown𝕚Heavy 2021𝕚
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeasurerMeas.DateMakerMaterialComment2𝕚14.80𝕚14.80𝕚14.80𝕚8.70𝕚8.39𝕚106.54𝕚𝕚01/03/2021𝕚North Sails𝕚Unknown𝕚S2 2021𝕚1𝕚14.94𝕚14.94𝕚14.94𝕚8.51𝕚8.51𝕚105.95𝕚𝕚06/03/2021𝕚North sails𝕚Unknown𝕚S1,5 2021𝕚3𝕚14.43𝕚14.43𝕚14.43𝕚7.18𝕚7.10𝕚86.15𝕚𝕚10/04/2019𝕚𝕚Unknown𝕚S2𝕚