1: (0 2 17)

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

2: (1 20 3)

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

3: (8 21 19)

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

4: (3 18 15)

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