1: (1 7 10)

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

2: (4 14 9)

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

3: (1 8 6)

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

4: (1 16 13)

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