1: (3 9 20)

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

2: (3 6 7)

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

3: (2 15 4)

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

4: (1 11 8)

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