B33113313132313113313223313331323133313223313231333133313221333211221   >>    B3311331313231311331322331333132313331322331323133313331322133321122   <<    B33113313132313113313223313331323133313223313231333133313221333211223   >>      B33113313132313113313223313331323133313223313231333133313221333211222   >>