1: (4 7 12)

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

2: (12 14 17)

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

3: (13 19 15)

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

4: (5 18 16)

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