1: (0 2 6)

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

2: (4 6 18)

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

3: (3 8 5)

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

4: (2 9 6)

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