B3311331313231311331322331333132313331322331323133313331323323223311233231   >>    B331133131323131133132233133313231333132233132313331333132332322331123323   <<    B3311331313231311331322331333132313331322331323133313331323323223311233233   >>      B3311331313231311331322331333132313331322331323133313331323323223311233232   >>