Data:L11n321/PD Presentation

X₆₁₇₂ X_5,14,6,15 X₃₈₄₉ X_2,16,3,15 X_16,7,17,8 X_9,18,10,19 X_17,1,18,4 X_19,13,20,22 X_13,10,14,11 X_21,5,22,12 X_11,21,12,20