1: (0 6 9)

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

2: (5 10 7)

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

3: (4 19 9)

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

4: (1 20 17)

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