1: (0 7 20)

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

2: (1 21 18)

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

3: (0 17 5)

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

4: (2 21 19)

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