1 k3   2 swap   3 l12   4 l3   5 i6
  6 i5   7 g7   8 g6   9 e8   10 e7
  11 a10   12 d8   13 b11   14 c7   15 a8
  16 b6   17 n2   18 m4   19 j4   20 j5
  21 k4

(You can click on an underlined move to show the board after that move.)