Data:L10n70/PD Presentation

X₆₁₇₂ X_5,12,6,13 X₈₄₉₃ X_2,14,3,13 X_14,7,15,8 X_9,18,10,19 X_11,16,12,17 X_17,20,18,11 X_4,15,1,16 X_19,10,20,5