C3123223313331322121111331333133313231333132212111133133311221133232311   >>    C312322331333132212111133133313331323133313221211113313331122113323231   <<    C3123223313331322121111331333133313231333132212111133133311221133232313   >>      C3123223313331322121111331333133313231333132212111133133311221133232312   >>