1: (1 10 13)

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

2: (9 14 12)

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

3: (8 16 13)

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

4: (3 17 15)

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