1: (6 10 13)

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

2: (8 17 11)

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

3: (10 14 12)

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

4: (5 9 7)

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