Data:L11a519/PD Presentation

X₈₁₉₂ X_16,6,17,5 X_22,20,13,19 X_18,10,19,9 X_10,21,11,22 X_20,11,21,12 X_2,13,3,14 X_14,3,15,4 X₄₇₅₈ X_12,16,7,15 X_6,18,1,17