C3132121111133313233121111331333133313331333133313331323133313331323132332131   >>    C313212111113331323312111133133313331333133313331333132313331333132313233213   <<    C3132121111133313233121111331333133313331333133313331323133313331323132332133   >>      C3132121111133313233121111331333133313331333133313331323133313331323132332132   >>