(0 12 9)(1 20 3)(2 6 4)(5 10 8)(7 18 17 15 11)(13 21 19 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 2 9)

(0)(1 20 3)(2 12 9 6 4)(5 10 8)(7 18 17 15 11)(13 21 19 16 14)
2: (1 20 3)

(0)(1)(2 12 9 6 4)(3)(5 10 8)(7 18 17 15 11)(13 21 19 16 14)(20)
3: (2 12 4)

(0)(1)(2)(3)(4 9 6)(5 10 8)(7 18 17 15 11)(12)(13 21 19 16 14)(20)
4: (7 18 11)

(0)(1)(2)(3)(4 9 6)(5 10 8)(7)(11 17 15)(12)(13 21 19 16 14)(18)(20)