Data:K11n34/PD Presentation

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