1: (4 10 14)

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

2: (3 11 9)

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

3: (4 10 14)

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

4: (8 16 12)

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