1: (0 4 7)

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

2: (2 20 5)

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

3: (4 9 6)

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

4: (1 10 7)

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