C1111121111331311211331333133313331313331323311211113313233111211   >>    C111112111133131121133133313331333131333132331121111331323311121   <<    C1111121111331311211331333133313331313331323311211113313233111213   >>      C1111121111331311211331333133313331313331323311211113313233111212   >>