Data:10 146/PD Presentation

X₄₂₅₁ X_5,18,6,19 X₈₃₉₄ X_2,9,3,10 X_11,17,12,16 X_7,12,8,13 X_15,6,16,7 X_17,11,18,10 X_13,1,14,20 X_19,15,20,14