Data:L11a77/PD Presentation

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