1: (0 1 7)

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

2: (1 9 18)

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

3: (8 21 10)

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

4: (6 19 17)

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