1: (0 2 4)

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

2: (1 20 3)

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

3: (4 7 9)

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

4: (6 13 8)

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