1: (1 5 9)

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

2: (4 20 6)

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

3: (5 16 8)

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

4: (0 18 2)

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