1: (1 5 9)

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

2: (4 16 7)

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

3: (6 10 8)

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

4: (2 7 9)

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