1: (0 1 18)

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

2: (7 18 21)

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

3: (2 19 13)

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

4: (6 16 8)

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