B33113313132313113313223313331323133313223313231333133313133112221   >>    B3311331313231311331322331333132313331322331323133313331313311222   <<    B33113313132313113313223313331323133313223313231333133313133112223   >>      B33113313132313113313223313331323133313223313231333133313133112222   >>