B33113313132313113313223313331323131323133313232233131333133313231121131212131   >>    B3311331313231311331322331333132313132313331323223313133313331323112113121213   <<    B33113313132313113313223313331323131323133313232233131333133313231121131212133   >>      B33113313132313113313223313331323131323133313232233131333133313231121131212132   >>