1: (2 7 18)

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

2: (0 9 3)

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

3: (6 11 8)

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

4: (1 18 5)

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