Data:10 59/PD Presentation

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