Talk:Arrangements/@comment-38670000-20191110131533/@comment-33431934-20191123061100

We use up-to-down arrangement codes, not left-to-right.

1: 2x21

2: 8x5+(1[>2]1)C

3: (2x18)L+3x2

4: 10C+(8x2)C+(4x2)C+(2x4)C