1: (0 1 3)

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

2: (3 9 19)

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

3: (2 17 5)

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

4: (16 20 18)

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