1: (12 13 17)

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

2: (4 6 13)

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

3: (2 7 5)

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

4: (6 17 11)

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