1: (2 7 11)

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

2: (6 15 9)

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

3: (4 18 11)

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

4: (1 17 3)

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