B33113313132313113313223313331323133313223313231333133313121111331311332213131   >>    B3311331313231311331322331333132313331322331323133313331312111133131133221313   <<    B33113313132313113313223313331323133313223313231333133313121111331311332213133   >>      B33113313132313113313223313331323133313223313231333133313121111331311332213132   >>