1: (0 6 8)

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

2: (5 10 7)

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

3: (4 19 8)

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

4: (1 20 12)

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