1: (1 9 13)

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

2: (1 4 7)

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

3: (2 10 5)

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

4: (6 11 8)

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