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