19 4 I A ns np5 B n 1 d 0 ns C n 1 d5 ns D n 1 d 0 ns np6 1

Last updated: 7/3/2023

19 4 I A ns np5 B n 1 d 0 ns C n 1 d5 ns D n 1 d 0 ns np6 1 A q B s C p D r 2 A R C 4 II P 9 R r for s n 4 2 A s B q C p D r AY