C31232233133313221211113313331333132313331322121111331121111211332311   >>    C3123223313331322121111331333133313231333132212111133112111121133231   <<    C31232233133313221211113313331333132313331322121111331121111211332313   >>      C31232233133313221211113313331333132313331322121111331121111211332312   >>