1: (1 6 9)

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

2: (5 10 7)

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

3: (4 13 9)

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

4: (8 14 11)

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