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

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

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

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

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