Data:10 93/PD Presentation

X₆₂₇₁ X_16,6,17,5 X_20,8,1,7 X_18,13,19,14 X_14,9,15,10 X_10,3,11,4 X_4,11,5,12 X_12,17,13,18 X_8,20,9,19 X_2,16,3,15