1: (8 9 12)

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

2: (1 4 9)

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

3: (3 20 5)

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

4: (4 12 7)

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