Data:K11a52/PD Presentation

X₄₂₅₁ X₈₃₉₄ X_14,5,15,6 X_12,8,13,7 X_2,9,3,10 X_18,12,19,11 X_22,13,1,14 X_20,16,21,15 X_10,18,11,17 X_16,20,17,19 X_6,21,7,22