C3132121111133313233121111331333133313331333133313331333133313232132323131   >>    C313212111113331323312111133133313331333133313331333133313331323213232313   <<    C3132121111133313233121111331333133313331333133313331333133313232132323133   >>      C3132121111133313233121111331333133313331333133313331333133313232132323132   >>