Data:L11n115/PD Presentation

X₆₁₇₂ X_12,3,13,4 X_20,8,21,7 X_22,17,5,18 X_18,21,19,22 X_13,17,14,16 X_9,15,10,14 X_15,11,16,10 X_8,20,9,19 X₂₅₃₆ X_4,11,1,12