C111112111133131121133133313331333131333132322331323223313232332131   >>    C11111211113313112113313331333133313133313232233132322331323233213   <<    C111112111133131121133133313331333131333132322331323223313232332133   >>      C111112111133131121133133313331333131333132322331323223313232332132   >>