1: (0 1 7)

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

2: (1 13 16)

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

3: (12 17 15)

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

4: (7 18 16)

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