1: (1 10 16)

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

2: (9 18 11)

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

3: (1 10 16)

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

4: (14 20 17)

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