1: (1 6 11)

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

2: (4 17 7)

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

3: (5 12 10)

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

4: (3 8 11)

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