1: (1 10 12)

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

2: (9 13 11)

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

3: (8 20 12)

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

4: (0 14 5)

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