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

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

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

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

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