Data:L10a165/PD Presentation

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