Data:L11n458/PD Presentation

X₆₁₇₂ X_3,13,4,12 X_7,21,8,20 X_19,5,20,10 X_13,19,14,22 X_21,11,22,18 X_17,15,18,14 X_9,17,10,16 X_15,9,16,8 X₂₅₃₆ X_11,1,12,4