Data:10 153/PD Presentation

X₄₂₅₁ X₈₄₉₃ X_12,6,13,5 X_13,18,14,19 X_9,16,10,17 X_17,10,18,11 X_15,20,16,1 X_19,14,20,15 X_6,12,7,11 X₂₈₃₇