1: (1 7 12)

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

2: (2 20 10)

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

3: (6 11 8)

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

4: (0 12 5)

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