1: (0 5 12)

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

2: (3 17 11)

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

3: (1 6 4)

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

4: (9 21 12)

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