1: (5 7 13)

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

2: (4 9 6)

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

3: (2 11 8)

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

4: (5 10 19)

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