1: (0 1 2)

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

2: (1 15 18)

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

3: (14 20 17)

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

4: (13 21 18)

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