B33113313132313113313223313331323133313223313231333133313331333133322231333131   >>    B3311331313231311331322331333132313331322331323133313331333133313332223133313   <<    B33113313132313113313223313331323133313223313231333133313331333133322231333133   >>      B33113313132313113313223313331323133313223313231333133313331333133322231333132   >>