1: (0 2 8)

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

2: (4 8 21)

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

3: (3 9 7)

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

4: (2 18 8)

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