C313212111113331323312111133133313331333133313331333133313331333133311212122131   >>    C31321211111333132331211113313331333133313331333133313331333133313331121212213   <<    C313212111113331323312111133133313331333133313331333133313331333133311212122133   >>      C313212111113331323312111133133313331333133313331333133313331333133311212122132   >>