1: (2 17 20)

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

2: (0 18 4)

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

3: (2 17 20)

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

4: (1 10 3)

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