Data:L10a41/PD Presentation

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