B33113313132313113313223313331323133313223313231333133112323211232313221   >>    B3311331313231311331322331333132313331322331323133313311232321123231322   <<    B33113313132313113313223313331323133313223313231333133112323211232313223   >>      B33113313132313113313223313331323133313223313231333133112323211232313222   >>