C111112111133131121133133313331333132313113313331311221122132212111   >>    C11111211113313112113313331333133313231311331333131122112213221211   <<    C111112111133131121133133313331333132313113313331311221122132212113   >>      C111112111133131121133133313331333132313113313331311221122132212112   >>