1: (0 10 13)

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

2: (9 14 12)

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

3: (7 15 13)

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

4: (1 20 8)

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