1: (0 3 7)

(0 5 3 21 18)(1 19 17 14 12 10 8)(2 20 4)(6 11 9)(7)(13 16 15)

2: (2 20 4)

(0 5 3 21 18)(1 19 17 14 12 10 8)(2)(4)(6 11 9)(7)(13 16 15)(20)

3: (0 21 18)

(0)(1 19 17 14 12 10 8)(2)(3 21 5)(4)(6 11 9)(7)(13 16 15)(18)(20)

4: (1 19 17)

(0)(1 14 12 10 8)(2)(3 21 5)(4)(6 11 9)(7)(13 16 15)(17)(18)(19)(20)