Data:L11n317/PD Presentation

X₆₁₇₂ X_12,4,13,3 X_16,7,17,8 X_9,20,10,21 X_11,18,12,19 X_19,22,20,11 X_8,15,9,16 X_21,10,22,5 X_14,18,15,17 X₂₅₃₆ X_4,14,1,13