1: (1 16 18)

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

2: (7 19 17)

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

3: (0 18 4)

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

4: (3 8 5)

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