C31232233133313221211113313331333132313331322121111123313113313113123311   >>    C3123223313331322121111331333133313231333132212111112331311331311312331   <<    C31232233133313221211113313331333132313331322121111123313113313113123313   >>      C31232233133313221211113313331333132313331322121111123313113313113123312   >>