Data:L10n18/PD Presentation

X₆₁₇₂ X_18,7,19,8 X_4,19,1,20 X_5,12,6,13 X₈₄₉₃ X_13,17,14,16 X_9,15,10,14 X_15,11,16,10 X_11,20,12,5 X_2,18,3,17