1: (4 7 10)

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

2: (2 8 6)

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

3: (3 11 9)

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

4: (5 12 10)

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