1: (0 3 6)

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

2: (6 8 11)

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

3: (7 14 9)

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

4: (4 12 10)

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