B33113313132313113313223313331323133313223313231333133313223313113313331312221   >>    B3311331313231311331322331333132313331322331323133313331322331311331333131222   <<    B33113313132313113313223313331323133313223313231333133313223313113313331312223   >>      B33113313132313113313223313331323133313223313231333133313223313113313331312222   >>