B33113313132313113313223313331323133313223313231333133322223231   >>    B3311331313231311331322331333132313331322331323133313332222323   <<    B33113313132313113313223313331323133313223313231333133322223233   >>      B33113313132313113313223313331323133313223313231333133322223232   >>