B33113313132313113313223313331323133313221211331333133313233313231323123221   >>    B3311331313231311331322331333132313331322121133133313331323331323132312322   <<    B33113313132313113313223313331323133313221211331333133313233313231323123223   >>      B33113313132313113313223313331323133313221211331333133313233313231323123222   >>