1: (0 1 7)

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

2: (3 7 18)

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

3: (2 8 4)

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

4: (1 9 7)

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