1: (0 6 8)

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

2: (5 9 7)

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

3: (4 19 8)

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

4: (1 20 11)

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