Data:L11n386/PD Presentation

X₆₁₇₂ X_14,7,15,8 X_15,1,16,4 X_5,12,6,13 X₃₈₄₉ X_9,16,10,17 X_17,19,18,22 X_11,20,12,21 X_19,10,20,11 X_21,5,22,18 X_2,14,3,13