Data:10 91/PD Presentation

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