Data:10 86/PD Presentation

X₆₂₇₁ X_16,8,17,7 X₈₃₉₄ X_2,15,3,16 X_14,5,15,6 X_4,9,5,10 X_20,14,1,13 X_10,20,11,19 X_18,12,19,11 X_12,18,13,17