B3311331313231311331322331333132313231323331333131121333132313331323221322131   >>    B331133131323131133132233133313231323132333133313112133313231333132322132213   <<    B3311331313231311331322331333132313231323331333131121333132313331323221322133   >>      B3311331313231311331322331333132313231323331333131121333132313331323221322132   >>