|
BL
|
|
|
dBL
|
half width
|
start
|
BLa
|
|
|
dBLa
|
start half width
|
end
|
BLe
|
|
|
dBLe
|
end half width
|
Across
|
|
BLq
|
|
|
dBLq
|
half width
|
start
|
BLaq
|
|
|
BLeq
|
end
|
Turns
|
to right
|
BLr
|
|
|
BLl
|
to left
|
from right
|
BL+r
|
|
|
BL+l
|
from left
|
from corner 4
|
BL+4
|
|
|
BL+1
|
from corner 1
|
to corner 3
|
BL3
|
|
|
BL2
|
to corner 2
|
to left from corner 4
|
BLl+4
|
|
|
BLr+1
|
to right from corner 1
|
from left to corner 3
|
BL3+l
|
|
|
BL2+r
|
from right to corner 2
|
to corner 3 right parallel line
|
v-BL3
|
|
|
vBL+1-
|
from corner 1 left parallel line
|
Diagonal
|
|
BLX |
|
|
|
BL2+4
|
|
|
BL3+1
|
|
Half-width
|
|
dBL2+4-
|
|
|
dBL3+1-
|
|
|
d-BL2+4
|
|
|
d-BL3+1
|
|
From centre
|
to corner 4
|
KBL4
|
|
|
KBL1
|
to corner 1
|
to corner 3
|
KBL3
|
|
|
KBL2
|
to corner 2
|
From edge
|
across corner 4
|
BLr+g
|
|
|
BLl+g
|
across corner 1
|
across corner 3
|
BLf+r
|
|
|
BLf+l
|
across corner 2
|
Corners
|
corner 4
|
BLc4
|
|
|
BLc1
|
corner 1
|
corner 3
|
BLc3
|
|
|
BLc2
|
corner 2
|
|
|
|
exBL |
|
|
start
|
exBLa
|
|
|
exdBLa
|
start half width
|
end
|
exBLe
|
|
|
exdBLe
|
end half width
|
Across
|
|
exBLq
|
|
|
exdBLq
|
half width
|
start
|
exBLaq
|
|
|
exBLeq
|
end
|
Turns
|
to right
|
exBLr
|
|
|
exBLl
|
to left
|
from right
|
exBL+r
|
|
|
exBL+l
|
from left
|
from corner 4
|
exBL+4
|
|
|
exBL+1
|
from corner 1
|
to corner 3
|
exBL3
|
|
|
exBL2
|
to corner 2
|
to left from corner 4
|
exBLl+4
|
|
|
exBLr+1
|
to right from corner 1
|
from left to corner 3
|
exBL3+l
|
|
|
exBL2+r
|
from right to corner 2
|
Diagonal
|
|
exBLX |
|
|
|
exBL2+4
|
|
|
exBL3+1
|
|
From centre
|
to corner 4
|
exKBL4
|
|
|
exKBL1
|
to corner 1
|
to corner 3
|
exKBL3
|
|
|
exKBL2
|
to corner 2
|
From edge
|
across corner 4
|
exBLr+g
|
|
|
exBLl+g
|
across corner 1
|
across corner 3
|
exBLf+r
|
|
|
exBLf+l
|
across corner 2
|
Corners
|
corner 4
|
exBLc4
|
|
|
exBLc1
|
corner 1
|
corner 3
|
exBLc3
|
|
|
exBLc2
|
corner 2
|
|