1: (0 3 9)

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

2: (5 9 16)

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

3: (4 10 8)

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

4: (3 11 9)

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