B3311331313231311331322331333132313231333131323223313231333132311321111   >>    B331133131323131133132233133313231323133313132322331323133313231132111   <<    B3311331313231311331322331333132313231333131323223313231333132311321113   >>      B3311331313231311331322331333132313231333131323223313231333132311321112   >>