C31232233133313221211113313331333132313331333133313121111331333133313133112311   >>    C3123223313331322121111331333133313231333133313331312111133133313331313311231   <<    C31232233133313221211113313331333132313331333133313121111331333133313133112313   >>      C31232233133313221211113313331333132313331333133313121111331333133313133112312   >>