Data:L11n294/PD Presentation

X₆₁₇₂ X_12,4,13,3 X_20,16,21,15 X_14,8,15,7 X_10,22,5,21 X_11,19,12,18 X_9,17,10,16 X_17,11,18,22 X_19,9,20,8 X₂₅₃₆ X_4,14,1,13