1: (3 7 18)

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

2: (1 9 4)

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

3: (3 7 18)

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

4: (6 14 8)

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