1: (0 1 5)

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

2: (1 7 16)

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

3: (4 20 9)

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

4: (6 10 8)

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