1: (1 9 15)

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

2: (7 16 14)

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

3: (5 11 8)

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

4: (10 15 13)

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