Data:L11a499/PD Presentation

X₆₁₇₂ X_12,4,13,3 X_16,8,17,7 X_22,17,19,18 X_20,12,21,11 X_10,20,11,19 X_18,21,5,22 X_14,10,15,9 X_8,16,9,15 X₂₅₃₆ X_4,14,1,13