1: (0 3 7)

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

2: (2 10 4)

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

3: (6 19 8)

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

4: (0 5 3)

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