1: (7 10 18)

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

2: (6 14 8)

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

3: (7 10 18)

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

4: (4 12 9)

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