1: (1 7 9)

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

2: (5 10 8)

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

3: (4 19 6)

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

4: (3 16 9)

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