1: (1 4 7)

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

2: (2 16 4)

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

3: (6 20 8)

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

4: (3 10 5)

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