Data:K11a59/PD Presentation

X₄₂₅₁ X₈₄₉₃ X_16,6,17,5 X₂₈₃₇ X_22,9,1,10 X_20,11,21,12 X_18,13,19,14 X_6,16,7,15 X_14,17,15,18 X_12,19,13,20 X_10,21,11,22