1: (4 10 16)

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

2: (1 11 9)

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

3: (3 17 7)

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

4: (2 12 10)

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