1: (6 10 13)

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

2: (5 11 8)

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

3: (7 14 12)

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

4: (6 17 9)

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