1: (2 6 10)

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

2: (4 20 6)

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

3: (0 13 3)

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

4: (5 12 9)

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