International
Certificate
2021

Boat

ATHYRIS

ITA-17480

 
Offshore
Racing
Congress

Certificate number: 17480
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.5°42.0°40.1°39.0°38.6°38.4°38.6°
Beat VMG4.155.095.655.906.026.176.25
52°6.397.718.308.528.638.718.82
60°6.808.098.618.808.919.009.11
75°7.218.388.889.189.349.469.57
90°7.328.539.029.319.659.9010.21
110°7.078.389.019.5410.0810.5311.17
120°6.688.168.939.509.9610.6011.83
135°5.927.498.539.129.7310.4512.14
150°4.966.267.508.468.979.3910.60
Run VMG4.305.426.497.327.788.149.18
Gybe Angles142.5°145.0°145.5°151.3°152.0°174.0°144.5°

GPH = 516.7

CDL = 12.683

BOAT
ClassGrand Soleil 48 R𝕚DesignerLostuzziBuilderCantieri del PardoAge Date10/2018Series Date10/2018Offset Filei17480.off
HULL
Length Overall14.950 mMaximum Beam4.526 mDraft3.185 mDisplacement11,327 kgDLR5.1396IMS DivisionCruiser/RacerDynamic Allowance0.018%Age Allowance0.098%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.534m
CREW
Maximum weight800 kg𝕚Minimum weight600 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail80.3681.98Headsail Luffed63.0163.01Headsail Flying46.19𝕚80.56𝕚SymmetricAsymmetric227.84𝕚227.84𝕚
* 1 asymmetric(s) with SHW/SFL < 85%
SAIL LIMITATIONS
Headsails7 Spinnakers5
STABILITY
Righting Moment420.1 kg·mStability Index134.0
OWNER




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

International
Certificate
2021

Boat

ATHYRIS

ITA-17480

 
Offshore
Racing
Congress

Certificate number: 17480
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG867.9706.8637.3610.4597.9583.6575.9
52°563.7466.8433.6422.6416.9413.3408.1
60°529.1444.7418.3409.2403.8400.0395.1
75°499.2429.5405.3392.3385.6380.7376.1
90°491.5422.0398.9386.8372.9363.5352.7
110°509.5429.8399.6377.4357.1341.8322.4
120°538.7441.0402.9378.9361.4339.7304.2
135°608.0480.6422.2394.6369.9344.6296.4
150°725.1575.3480.2425.6401.5383.2339.5
Run VMG837.3664.3554.5491.7462.9442.2392.1
Selected Courses
Windward / Leeward852.6685.6595.9551.0530.4512.9484.0
All purpose646.6528.9473.7446.2430.3416.4394.8
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward577.31.0394
All purpose461.31.3008
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind499.31.2016
Predominantly Downwind468.01.2820
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low587.81.0208
Triple Number All Purpose Medium458.31.3092
Triple Number All Purpose High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind499.31.2016
Predominantly Downwind468.01.2820
Predominantly Upwind Low656.70.9136
Predominantly Upwind Medium518.01.1583
Predominantly Upwind High486.01.2344
Predominantly Downwind Low648.70.9249
Predominantly Downwind Medium465.61.2888
Predominantly Downwind High392.81.5276
Chicago-Mac Upwind1.1804
Chicago-Mac All Purpose1.2172
Chicago-Mac Downwind1.2601
Bayview-Mac Cove Island1.1371
Bayview-Mac Shore1.1469
Victoria-Maui1.3437
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance504.7
Triple Number Coastal/Long Distance Low587.8
Triple Number Coastal/Long Distance Medium458.3
Triple Number Coastal/Long Distance High411.7
Triple Number Windward/Leeward Low769.1
Triple Number Windward/Leeward Medium572.0
Triple Number Windward/Leeward High506.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0208
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4572
Triple Number Windward/Leeward Low0.7801
Triple Number Windward/Leeward Medium1.0489
Triple Number Windward/Leeward High1.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low587.8
Triple Number Coastal/Long Distance Medium458.3
Triple Number Coastal/Long Distance High411.7
Triple Number Windward/Leeward Low769.1
Triple Number Windward/Leeward Medium572.0
Triple Number Windward/Leeward High506.4
Predominantly Upwind499.3
Predominantly Downwind468.0
Predominantly Reaching444.7
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0208
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4572
Triple Number Windward/Leeward Low0.7801
Triple Number Windward/Leeward Medium1.0489
Triple Number Windward/Leeward High1.1848
Coastal/Long Distance1.1889
Predominantly Upwind1.2016
Predominantly Downwind1.2820
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1889
Tretall Distanseseilas Lite vind1.0208
Tretall Distanseseilas Mellomvind1.3092
Tretall Distanseseilas Mye vind1.4572
Tretall Pølsebane Lite vind0.7801
Tretall Pølsebane Mellomvind1.0489
Tretall Pølsebane Mye vind1.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind499.31.2016
Predominantly Downwind468.01.2820
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore492.71.2179
Cape Doctor Coastal401.21.4954
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0208
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4572
Triple Number Windward/Leeward Low0.7801
Triple Number Windward/Leeward Medium1.0489
Triple Number Windward/Leeward High1.1848
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0208
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4572
Triple Number Windward/Leeward Low0.7801
Triple Number Windward/Leeward Medium1.0489
Triple Number Windward/Leeward High1.1848
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind499.31.2016
Predominantly Downwind468.01.2820
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance504.71.1889
Triple Number Coastal/Long Distance Low587.81.0208
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.1642.6535.6477.6448.1420.9376.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low587.81.0208
Triple Number All Purpose Medium458.31.3092
Triple Number All Purpose High411.71.4572
Triple Number Windward/Leeward Low769.10.7801
Triple Number Windward/Leeward Medium572.01.0489
Triple Number Windward/Leeward High506.41.1848
Predominantly Upwind499.31.2016
Predominantly Downwind468.01.2820
Predominantly Upwind Low656.70.9136
Predominantly Upwind Medium518.01.1583
Predominantly Upwind High486.01.2344
Predominantly Downwind Low648.70.9249
Predominantly Downwind Medium465.61.2888
Predominantly Downwind High392.81.5276
Chicago-Mac Upwind1.1804
Chicago-Mac All Purpose1.2172
Chicago-Mac Downwind1.2601
Bayview-Mac Cove Island1.1371
Bayview-Mac Shore1.1469
Harvest Moon Regatta404.21.4845
Victoria-Maui1.3437

International
Certificate
2021

Boat

ATHYRIS

ITA-17480

 
Offshore
Racing
Congress

Certificate number: 17480
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassGrand Soleil 48 R𝕚Measurement31/05/2021𝕚Measurer𝕚HINIT CDP 48121 F818𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderYes𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA14.950𝕚Max. Beam4.526𝕚Draft3.185𝕚Displacement11,327𝕚Wetted area44.43𝕚IMS L13.410𝕚LSM013.014𝕚Acc. length14.710𝕚Sink (kg/mm)34.22𝕚
VCGD-0.199𝕚VCGM-0.108𝕚RM Measured (kg·m)420.1𝕚RM Default (kg·m)394.1𝕚Limit of positive stability(°)130.2𝕚Stability Index134.0𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.534𝕚EDL3.100𝕚ST30.180𝕚Twin screwNo𝕚PBW0.130𝕚ST10.065𝕚ST40.110𝕚PIPA0.0042𝕚ST20.180𝕚ST50.341𝕚
RIG
Forestay tensionAft & Forward𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingYes𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P19.000𝕚IG19.338𝕚ISP20.858𝕚MDT10.148𝕚MDL10.280𝕚MDT20.142𝕚MDL20.222𝕚TL1.200𝕚MW0.280𝕚GO0.315𝕚
E7.110𝕚J5.645𝕚BAS1.748𝕚FSD0.045𝕚SFJ0.150𝕚SPL𝕚TPS7.525𝕚BD0.290𝕚MWT243.00𝕚MCG6.990𝕚
FLOTATION AND STABILITY
Inclining TestBoom Inclining𝕚SFFP0.994𝕚SAFP14.496𝕚Flotation Date21/08/2020𝕚FFM1.462𝕚FAM1.141𝕚Measurer𝕚FF1.470𝕚FA1.149𝕚CommentLNI Monfalcone𝕚LCFcl8.203𝕚LCFsh8.478𝕚SG1.0040𝕚HBI1.660𝕚
W1206.5𝕚W2206.5𝕚W3206.5𝕚W4206.5𝕚LCFD9.305𝕚
PD1248.6𝕚PD2250.9𝕚PD3249.7𝕚PD4253.4𝕚
WD6.475𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescriptionA𝕚gasolio𝕚pvc𝕚210.0𝕚11.93𝕚𝕚25.0𝕚litri𝕚B𝕚acqua𝕚pvc𝕚100.0𝕚11.84𝕚𝕚0.0𝕚vuoto𝕚C𝕚acqua𝕚otre𝕚100.0𝕚11.84𝕚𝕚0.0𝕚vuoto𝕚D𝕚reflue𝕚pvc𝕚20.0𝕚5.00𝕚𝕚0.0𝕚vuoto𝕚E𝕚refue𝕚pvc𝕚30.0𝕚9.15𝕚𝕚0.0𝕚vuoto𝕚F𝕚boiler𝕚pvc𝕚30.0𝕚7.68𝕚𝕚0.0𝕚vuoto𝕚
IdItemDescriptionWeightLCGVCGA𝕚Ballast4 pani pb𝕚68.0𝕚2.85𝕚-0.10𝕚Totalballast68.0𝕚
IdItemDescriptionWeightLCGVCG
A𝕚Battery3x100 Ah servizi𝕚89.0𝕚5.80𝕚𝕚B𝕚Battery75 Ah motore𝕚27.0𝕚5.80𝕚𝕚A𝕚Miscellaneoussalpa ancore𝕚𝕚𝕚𝕚B𝕚Miscellaneouscaricabatterie 60 A𝕚𝕚7.68𝕚𝕚C𝕚Miscellaneousmast jack𝕚6.0𝕚5.30𝕚𝕚D𝕚Miscellaneoussupporto ancora𝕚𝕚𝕚𝕚

International
Certificate
2021

Boat

ATHYRIS

ITA-17480

 
Offshore
Racing
Congress

Certificate number: 17480
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialCommentA𝕚1.07𝕚1.83𝕚2.76𝕚4.34𝕚5.77𝕚80.36𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialCommentD𝕚0.15𝕚1.06𝕚1.90𝕚3.35𝕚4.70𝕚5.94𝕚19.54𝕚Yes𝕚No𝕚 𝕚63.01𝕚𝕚31/05/2021𝕚North𝕚Unknown𝕚𝕚A𝕚0.14𝕚1.05𝕚1.88𝕚3.24𝕚4.59𝕚5.93𝕚19.56𝕚Yes𝕚No𝕚 𝕚61.98𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚𝕚B𝕚0.14𝕚0.91𝕚1.68𝕚3.04𝕚4.43𝕚5.81𝕚19.47𝕚Yes𝕚No𝕚 𝕚58.77𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚𝕚C𝕚0.09𝕚0.71𝕚1.34𝕚2.61𝕚3.85𝕚5.02𝕚17.90𝕚No𝕚Yes𝕚0𝕚46.19𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialCommentA𝕚23.41𝕚19.96𝕚21.69𝕚12.67𝕚12.36𝕚103%𝕚227.84𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚A2𝕚B𝕚23.14𝕚20.34𝕚21.74𝕚11.95𝕚13.29𝕚90%𝕚221.35𝕚𝕚10/04/2019𝕚Olimpic𝕚Unknown𝕚A1𝕚C𝕚23.02𝕚20.04𝕚21.53𝕚11.98𝕚12.52𝕚96%𝕚216.88𝕚𝕚15/05/2019𝕚𝕚Unknown𝕚𝕚D𝕚20.57𝕚18.59𝕚19.58𝕚7.95𝕚10.50𝕚76%𝕚138.04𝕚𝕚26/03/2020𝕚𝕚Unknown𝕚C0𝕚