Data:K11n39/PD Presentation

X₄₂₅₁ X₈₄₉₃ X_12,5,13,6 X₂₈₃₇ X_9,18,10,19 X_11,17,12,16 X_6,13,7,14 X_15,21,16,20 X_17,22,18,1 X_19,15,20,14 X_21,10,22,11