C1111121111331311211331333133313331313331323223313223313113313111211   >>    C111112111133131121133133313331333131333132322331322331311331311121   <<    C1111121111331311211331333133313331313331323223313223313113313111213   >>      C1111121111331311211331333133313331313331323223313223313113313111212   >>