1: (1 6 11)

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

2: (5 13 8)

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

3: (2 14 11)

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

4: (4 12 10)

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