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

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

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

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

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