1: (2 8 13)

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

2: (0 9 7)

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

3: (2 8 13)

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

4: (1 19 5)

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