Data:L10n83/PD Presentation

X₆₁₇₂ X_12,7,13,8 X_4,13,1,14 X_5,16,6,17 X₈₄₉₃ X_17,20,18,15 X_19,10,20,11 X_9,18,10,19 X_15,14,16,5 X_2,12,3,11