Data:10 88/PD Presentation

X₄₂₅₁ X_20,14,1,13 X₈₃₉₄ X_2,9,3,10 X_14,7,15,8 X_18,15,19,16 X_12,6,13,5 X_10,18,11,17 X_16,12,17,11 X_6,19,7,20