Data:L10a134/PD Presentation

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