1: (1 5 13)

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

2: (5 8 11)

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

3: (7 14 9)

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

4: (10 15 12)

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