Data:L11a143/PD Presentation

X₈₁₉₂ X_18,9,19,10 X₆₇₁₈ X_22,19,7,20 X_12,5,13,6 X_10,4,11,3 X_4,15,5,16 X_16,12,17,11 X_20,13,21,14 X_14,21,15,22 X_2,18,3,17