1: (2 6 11)

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

2: (0 7 5)

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

3: (1 13 3)

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

4: (6 20 8)

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