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