1: (0 10 13)

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

2: (1 20 12)

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

3: (9 15 11)

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

4: (5 10 14)

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