B3311331313231311331322331333132313331322331323133313331313231311112131   >>    B331133131323131133132233133313231333132233132313331333131323131111213   <<    B3311331313231311331322331333132313331322331323133313331313231311112133   >>      B3311331313231311331322331333132313331322331323133313331313231311112132   >>