1: (0 7 13)

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

2: (6 21 9)

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

3: (7 20 12)

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

4: (2 10 8)

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