B3311331313231311331322331333132313331323223312113313331333133322232311   >>    B331133131323131133132233133313231333132322331211331333133313332223231   <<    B3311331313231311331322331333132313331323223312113313331333133322232313   >>      B3311331313231311331322331333132313331323223312113313331333133322232312   >>