1: (0 1 3)

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

2: (3 7 19)

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

3: (2 11 5)

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

4: (6 12 10)

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