B33113313132313113313223313331323331323321133133313331333132311322221   >>    B3311331313231311331322331333132333132332113313331333133313231132222   <<    B33113313132313113313223313331323331323321133133313331333132311322223   >>      B33113313132313113313223313331323331323321133133313331333132311322222   >>