1: (0 1 2)

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

2: (2 8 19)

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

3: (7 20 18)

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

4: (1 19 3)

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