Data:K11a55/PD Presentation

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