1: (0 10 16)

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

2: (1 20 12)

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

3: (9 13 11)

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

4: (6 10 17)

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