1: (0 2 6)

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

2: (1 7 5)

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

3: (2 13 19)

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

4: (10 20 18)

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