B33132212112331323223313211232333132313331312111133132313231323231111   >>    B3313221211233132322331321123233313231333131211113313231323132323111   <<    B33132212112331323223313211232333132313331312111133132313231323231113   >>      B33132212112331323223313211232333132313331312111133132313231323231112   >>