Data:10 164/PD Presentation

X₆₂₇₁ X_14,7,15,8 X_15,2,16,3 X_5,12,6,13 X_9,19,10,18 X_3,11,4,10 X_17,5,18,4 X_19,9,20,8 X_11,16,12,17 X_20,13,1,14