1: (0 3 8)

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

2: (2 20 6)

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

3: (4 9 7)

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

4: (1 3 10)

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