1: (0 3 7)

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

2: (1 20 5)

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

3: (2 9 6)

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

4: (0 4 13)

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