1: (0 5 11)

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

2: (4 16 8)

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

3: (7 15 9)

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

4: (8 12 10)

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