C31232233133313221211113313331333132313331322121111331321123122311   >>    C3123223313331322121111331333133313231333132212111133132112312231   <<    C31232233133313221211113313331333132313331322121111331321123122313   >>      C31232233133313221211113313331333132313331322121111331321123122312   >>