1: (0 7 11)

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

2: (2 15 9)

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

3: (0 20 4)

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

4: (6 12 8)

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