1: (4 8 11)

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

2: (3 9 7)

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

3: (6 12 10)

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

4: (5 14 11)

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