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

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

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

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

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