1: (1 10 13)

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

2: (9 14 11)

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

3: (7 17 13)

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

4: (5 18 16)

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