1: (2 5 13)

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

2: (0 7 4)

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

3: (2 5 13)

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

4: (1 18 3)

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