Data:L11a21/PD Presentation

X₆₁₇₂ X_10,4,11,3 X_12,8,13,7 X_18,10,19,9 X_20,14,21,13 X_22,16,5,15 X_14,22,15,21 X_16,20,17,19 X_8,18,9,17 X₂₅₃₆ X_4,12,1,11