1: (0 3 7)

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

2: (2 9 4)

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

3: (6 11 8)

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

4: (0 5 3)

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