Data:L11n449/PD Presentation

X₆₁₇₂ X_10,3,11,4 X_13,20,14,21 X_16,12,17,11 X_19,12,20,13 X_8,16,5,15 X_14,8,15,7 X_22,17,19,18 X_18,21,9,22 X₂₅₃₆ X_4,9,1,10