B3311331313231311331322331333132313233313231333131133132322131131   >>    B331133131323131133132233133313231323331323133313113313232213113   <<    B3311331313231311331322331333132313233313231333131133132322131133   >>      B3311331313231311331322331333132313233313231333131133132322131132   >>