B33113313132313113313223313331323133313221211331333133313231313331323123221   >>    B3311331313231311331322331333132313331322121133133313331323131333132312322   <<    B33113313132313113313223313331323133313221211331333133313231313331323123223   >>      B33113313132313113313223313331323133313221211331333133313231313331323123222   >>