1: (2 7 21)

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

2: (0 20 4)

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

3: (2 19 5)

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

4: (1 16 3)

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