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