Data:L11a98/PD Presentation

X₆₁₇₂ X_2,9,3,10 X_12,3,13,4 X_10,5,11,6 X_22,11,5,12 X_4,21,1,22 X_18,14,19,13 X_16,8,17,7 X_8,18,9,17 X_20,16,21,15 X_14,20,15,19