Data:L11n99/PD Presentation

X₆₁₇₂ X_12,3,13,4 X_13,21,14,20 X_7,17,8,16 X_19,9,20,8 X_9,19,10,18 X_17,11,18,10 X_15,5,16,22 X_21,15,22,14 X₂₅₃₆ X_4,11,1,12