B3311331313231311331322331333132333132211312111133133313331311122321   >>    B331133131323131133132233133313233313221131211113313331333131112232   <<    B3311331313231311331322331333132333132211312111133133313331311122323   >>      B3311331313231311331322331333132333132211312111133133313331311122322   >>