C31231211113313121211113313113313331333132322331323131133132313221322121121   >>    C3123121111331312121111331311331333133313232233132313113313231322132212112   <<    C31231211113313121211113313113313331333132322331323131133132313221322121123   >>      C31231211113313121211113313113313331333132322331323131133132313221322121122   >>