1: (1 4 10)

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

2: (3 12 5)

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

3: (8 13 11)

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

4: (2 15 10)

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