1: (1 9 11)

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

2: (11 14 17)

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

3: (13 20 15)

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

4: (9 17 12)

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