C31321211111333132331211113313331333133313331333133313233213313231   >>    C3132121111133313233121111331333133313331333133313331323321331323   <<    C31321211111333132331211113313331333133313331333133313233213313233   >>      C31321211111333132331211113313331333133313331333133313233213313232   >>