1: (4 8 12)

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

2: (5 14 11)

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

3: (3 8 13)

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

4: (7 15 9)

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