1: (4 7 13)

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

2: (3 11 5)

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

3: (8 13 12)

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

4: (1 9 6)

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