1: (0 2 6)

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

2: (2 14 19)

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

3: (11 20 18)

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

4: (3 16 13)

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