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