Data:L11a210/PD Presentation

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