1: (1 9 11)

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

2: (4 12 10)

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

3: (1 16 7)

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

4: (6 14 8)

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