1: (4 7 13)

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

2: (0 8 6)

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

3: (4 7 13)

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

4: (2 12 5)

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