.bk A12 .fl N921jl.j .fd strata assignments .ed N912 .ei jl .ri jl .rd N921 s 1 404 2 405,406,407,408,409,410,411,412,413,414,415,418,423,450 3 416,417,419,420,421,422,423,424,425,426,427,428,450 4 429,430,431,432,433,439,423,450 5 434,435,441,442,450,423 6 436,437,438,443,444,445,447,448,423,450 7 446,449,440,423,450