B33113313132313113313223313331323132313331313232233132313331323123222211   >>    B3311331313231311331322331333132313231333131323223313231333132312322221   <<    B33113313132313113313223313331323132313331313232233132313331323123222213   >>      B33113313132313113313223313331323132313331313232233132313331323123222212   >>