Data:L11a400/PD Presentation

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