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