1: (0 5 8)

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

2: (4 18 7)

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

3: (2 20 8)

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

4: (0 6 3)

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