Data:L10a66/PD Presentation

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