1: (0 2 6)

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

2: (1 7 4)

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

3: (2 17 19)

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

4: (16 20 18)

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