B3311331313231311331322331333132313232313231333133313231323221121131   >>    B331133131323131133132233133313231323231323133313331323132322112113   <<    B3311331313231311331322331333132313232313231333133313231323221121133   >>      B3311331313231311331322331333132313232313231333133313231323221121132   >>