B33113313132313113313223313331323133313223313231333133313233312111112212321   >>    B3311331313231311331322331333132313331322331323133313331323331211111221232   <<    B33113313132313113313223313331323133313223313231333133313233312111112212323   >>      B33113313132313113313223313331323133313223313231333133313233312111112212322   >>