-x-xxxx--x-xxxx-| -x-xxxx--x-xxxx-| -x-xxxx--x-xxxx-| -4-4440--4-4440-| -4-4440--4-4440-| -4-4440--4-4440-| --------------------------------| --------------------------------| -----------------44x4---44x4----| -6-7776-6-7776-2-222x-2-222x----| x4 -4-4444-4-4444------------------| --------------------------------| -xxxxxx------xxxxxx------xxxxxx------xxxxxx------| -xxxxxx------xxxxxx------xxxxxx------xxxxxx------| -xxxxxx------xxxxxx------xxxxxx------xxxxxx------| -xxxxxx4-4-4-xxxxxx4-4-4-xxxxxx0-0-0-xxxxxx0-0-0-| x2 -xxxxxx4-4-4-xxxxxx4-4-4-xxxxxx0-0-0-xxxxxx0-0-0-| -xxxxxx4-4-4-xxxxxx4-4-4-xxxxxx0-0-0-xxxxxx0-0-0-|