B3311331313231311331322331333132333132211312111133133313331313221   >>    B331133131323131133132233133313233313221131211113313331333131322   <<    B3311331313231311331322331333132333132211312111133133313331313223   >>      B3311331313231311331322331333132333132211312111133133313331313222   >>