Data:L11n40/PD Presentation

X₆₁₇₂ X_12,7,13,8 X_4,13,1,14 X_9,18,10,19 X₃₈₄₉ X_5,14,6,15 X_15,20,16,21 X_17,22,18,5 X_21,16,22,17 X_19,10,20,11 X_11,2,12,3