1: (3 7 11)

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

2: (0 9 6)

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

3: (2 20 4)

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

4: (3 8 5)

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