B33113313132313113313223313331323133313223313231333133313132311211312233221   >>    B3311331313231311331322331333132313331322331323133313331313231121131223322   <<    B33113313132313113313223313331323133313223313231333133313132311211312233223   >>      B33113313132313113313223313331323133313223313231333133313132311211312233222   >>