1: (0 1 4)

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

2: (1 6 8)

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

3: (5 16 7)

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

4: (4 21 8)

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