1: (4 8 12)

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

2: (7 16 9)

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

3: (11 18 13)

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

4: (6 14 12)

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