1: (0 4 8)

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

2: (4 14 18)

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

3: (2 21 16)

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

4: (6 15 13)

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