1: (1 10 12)

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

2: (6 13 11)

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

3: (4 10 9)

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

4: (2 7 5)

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