1: (1 9 12)

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

2: (1 5 7)

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

3: (8 13 11)

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

4: (6 20 10)

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