Data:L10a156/PD Presentation

X₈₁₉₂ X_18,10,19,9 X_6,18,1,17 X_16,7,17,8 X_10,4,11,3 X_14,6,15,5 X_4,14,5,13 X_20,11,13,12 X_12,15,7,16 X_2,19,3,20