B33113313132313113313223313331323133313223313231333131133131133132311212231   >>    B3311331313231311331322331333132313331322331323133313113313113313231121223   <<    B33113313132313113313223313331323133313223313231333131133131133132311212233   >>      B33113313132313113313223313331323133313223313231333131133131133132311212232   >>