Data:L11n329/PD Presentation

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