1: (4 6 12)

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

2: (1 7 5)

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

3: (6 19 8)

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

4: (3 13 11)

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