1: (4 10 16)

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

2: (2 11 9)

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

3: (3 17 5)

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

4: (1 12 10)

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