1: (0 8 18)

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

2: (5 19 13)

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

3: (7 16 9)

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

4: (4 20 18)

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