1: (0 1 7)

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

2: (1 8 17)

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

3: (4 19 9)

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

4: (6 18 16)

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