1: (1 8 12)

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

2: (2 20 10)

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

3: (7 11 9)

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

4: (0 12 6)

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