1: (0 3 17)

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

2: (1 20 7)

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

3: (13 21 19)

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

4: (7 18 16)

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