1: (3 8 12)

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

2: (7 13 9)

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

3: (2 10 4)

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

4: (1 11 8)

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