Data:L10n32/PD Presentation

X₆₁₇₂ X_12,4,13,3 X_7,16,8,17 X_17,20,18,5 X_11,19,12,18 X_19,11,20,10 X_9,14,10,15 X_15,8,16,9 X₂₅₃₆ X_4,14,1,13