1: (1 5 11)

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

2: (3 13 8)

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

3: (0 4 2)

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

4: (5 20 10)

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