C31232233133313221211113313331333132313331322121111112211231313331   >>    C3123223313331322121111331333133313231333132212111111221123131333   <<    C31232233133313221211113313331333132313331322121111112211231313333   >>      C31232233133313221211113313331333132313331322121111112211231313332   >>