1: (4 7 12)

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

2: (5 13 8)

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

3: (10 17 12)

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

4: (3 11 9)

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