B33113313132313113313223313331323133313223313231333133313221211111211111332221   >>    B3311331313231311331322331333132313331322331323133313331322121111121111133222   <<    B33113313132313113313223313331323133313223313231333133313221211111211111332223   >>      B33113313132313113313223313331323133313223313231333133313221211111211111332222   >>