B3311331313231311331322331333132322331313231211113313231323132233131   >>    B331133131323131133132233133313232233131323121111331323132313223313   <<    B3311331313231311331322331333132322331313231211113313231323132233133   >>      B3311331313231311331322331333132322331313231211113313231323132233132   >>