Data:L11a530/PD Presentation

X₈₁₉₂ X_12,3,13,4 X_20,14,21,13 X_18,10,19,9 X_10,22,11,21 X_14,20,7,19 X_16,5,17,6 X_22,18,15,17 X₂₇₃₈ X_4,11,5,12 X_6,15,1,16