C11111333133313232233133313331333131133132313311212111111331323133313113311331   >>    C1111133313331323223313331333133313113313231331121211111133132313331311331133   <<    C11111333133313232233133313331333131133132313311212111111331323133313113311333   >>      C11111333133313232233133313331333131133132313311212111111331323133313113311332   >>