B3311331313231311331322331333132313233313231333131133133313233313331322312231   >>    B331133131323131133132233133313231323331323133313113313331323331333132231223   <<    B3311331313231311331322331333132313233313231333131133133313233313331322312233   >>      B3311331313231311331322331333132313233313231333131133133313233313331322312232   >>