Data:L10n13/PD Presentation

X₆₁₇₂ X_18,7,19,8 X_4,19,1,20 X_9,14,10,15 X₃₈₄₉ X_5,13,6,12 X_13,5,14,20 X_11,16,12,17 X_15,10,16,11 X_17,2,18,3