Data:10 108/PD Presentation

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