1: (2 7 12)

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

2: (6 15 8)

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

3: (9 16 14)

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

4: (5 12 10)

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