Data:10 17/PD Presentation

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