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