1: (1 5 10)

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

2: (4 14 6)

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

3: (9 21 13)

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

4: (1 7 11)

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