C31232233133313221211113313331333132313331322121133133313331211   >>    C3123223313331322121111331333133313231333132212113313331333121   <<    C31232233133313221211113313331333132313331322121133133313331213   >>      C31232233133313221211113313331333132313331322121133133313331212   >>