Data:L11a447/PD Presentation

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