1: (6 10 17)

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

2: (4 11 9)

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

3: (1 7 5)

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

4: (2 12 10)

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