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

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

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

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

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