Data:L11a69/PD Presentation

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