1: (1 7 10)

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

2: (3 16 8)

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

3: (5 11 9)

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

4: (2 12 10)

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