1: (0 6 9)

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

2: (5 10 7)

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

3: (4 19 9)

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

4: (3 20 18)

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