Data:L11n269/PD Presentation

X₆₁₇₂ X_3,11,4,10 X_7,17,8,16 X_15,5,16,8 X_18,11,19,12 X_22,17,9,18 X_20,13,21,14 X_12,19,13,20 X_14,21,15,22 X₂₅₃₆ X_9,1,10,4