Data:L10n101/PD Presentation

X₆₁₇₂ X_3,11,4,10 X_7,15,8,14 X_13,5,14,8 X_18,12,19,11 X_20,16,17,15 X_16,20,9,19 X_12,18,13,17 X₂₅₃₆ X_9,1,10,4