1: (0 4 6)

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

2: (3 7 5)

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

3: (4 15 19)

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

4: (14 20 18)

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