B3311331313231311331322331333132313132313331323223313232321322131   >>    B331133131323131133132233133313231313231333132322331323232132213   <<    B3311331313231311331322331333132313132313331323223313232321322133   >>      B3311331313231311331322331333132313132313331323223313232321322132   >>