1: (0 7 15)

(0)(1 20 18)(2 21 4)(3 7 22 15 5)(6 19 16 10 8)(9 13 11)(12 17 14)

2: (6 19 8)

(0)(1 20 18)(2 21 4)(3 7 22 15 5)(6)(8 16 10)(9 13 11)(12 17 14)(19)

3: (1 20 18)

(0)(1)(2 21 4)(3 7 22 15 5)(6)(8 16 10)(9 13 11)(12 17 14)(18)(19)(20)

4: (5 22 15)

(0)(1)(2 21 4)(3 7 22)(5)(6)(8 16 10)(9 13 11)(12 17 14)(15)(18)(19)(20)