Data:L11a9/PD Presentation

X₆₁₇₂ X_16,7,17,8 X_4,17,1,18 X_12,6,13,5 X₈₄₉₃ X_22,14,5,13 X_14,22,15,21 X_18,12,19,11 X_20,10,21,9 X_10,20,11,19 X_2,16,3,15