1: (3 5 7)

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

2: (7 10 13)

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

3: (9 17 11)

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

4: (5 13 8)

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