1: (1 4 7)

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

2: (3 13 6)

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

3: (1 4 7)

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

4: (5 16 8)

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