Data:L10a46/PD Presentation

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