1: (0 4 8)

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

2: (4 14 18)

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

3: (2 21 15)

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

4: (14 19 17)

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