1: (4 7 12)

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

2: (6 13 11)

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

3: (4 7 12)

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

4: (3 9 5)

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