B3311331313231311331322331333132313231333131323223313232332321111   >>    B331133131323131133132233133313231323133313132322331323233232111   <<    B3311331313231311331322331333132313231333131323223313232332321113   >>      B3311331313231311331322331333132313231333131323223313232332321112   >>