Data:K11n82/PD Presentation

X₄₂₅₁ X₈₃₉₄ X_5,17,6,16 X_7,12,8,13 X_2,9,3,10 X_11,18,12,19 X_13,21,14,20 X_15,1,16,22 X_17,10,18,11 X_19,7,20,6 X_21,15,22,14