B3311331313231311331322331333132313231323331333131133133313233313331322132131   >>    B331133131323131133132233133313231323132333133313113313331323331333132213213   <<    B3311331313231311331322331333132313231323331333131133133313233313331322132133   >>      B3311331313231311331322331333132313231323331333131133133313233313331322132132   >>