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