1: (6 15 19)

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

2: (5 17 7)

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

3: (14 18 16)

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

4: (11 15 20)

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