1: (0 1 6)

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

2: (1 17 19)

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

3: (16 20 18)

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

4: (15 21 19)

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