C31232233133313221211113313331333132313331322121111133313231323132332311   >>    C3123223313331322121111331333133313231333132212111113331323132313233231   <<    C31232233133313221211113313331333132313331322121111133313231323132332313   >>      C31232233133313221211113313331333132313331322121111133313231323132332312   >>