1: (1 5 12)

(0 20 3)(1 15 14 12 2 7 4)(5)(6 10 9)(8 18 16 13 11)(17 21 19)

2: (4 14 7)

(0 20 3)(1 15 14)(2 7 12)(4)(5)(6 10 9)(8 18 16 13 11)(17 21 19)

3: (11 16 13)

(0 20 3)(1 15 14)(2 7 12)(4)(5)(6 10 9)(8 18 16)(11)(13)(17 21 19)

4: (2 7 12)

(0 20 3)(1 15 14)(2)(4)(5)(6 10 9)(7)(8 18 16)(11)(12)(13)(17 21 19)