1: (1 5 7)

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

2: (4 8 6)

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

3: (3 13 7)

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

4: (2 18 10)

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