B3311331313231311331322331333132313233313231333131133132322331121133131   >>    B331133131323131133132233133313231323331323133313113313232233112113313   <<    B3311331313231311331322331333132313233313231333131133132322331121133133   >>      B3311331313231311331322331333132313233313231333131133132322331121133132   >>