C3123223313331322121111331333133313231333132212111133221211113313332123211311   >>    C312322331333132212111133133313331323133313221211113322121111331333212321131   <<    C3123223313331322121111331333133313231333132212111133221211113313332123211313   >>      C3123223313331322121111331333133313231333132212111133221211113313332123211312   >>