Data:L11n18/PD Presentation

X₆₁₇₂ X_14,7,15,8 X_4,15,1,16 X_5,12,6,13 X₈₄₉₃ X_9,16,10,17 X_11,20,12,21 X_17,22,18,5 X_21,18,22,19 X_19,10,20,11 X_2,14,3,13