Data:L11n323/PD Presentation

X₆₁₇₂ X_5,14,6,15 X₃₈₄₉ X_15,2,16,3 X_16,7,17,8 X_9,18,10,19 X_11,21,12,20 X_19,22,20,13 X_13,12,14,5 X_4,17,1,18 X_21,11,22,10