C11111333133313232233133313331333131133132313331312111133121311331   >>    C1111133313331323223313331333133313113313231333131211113312131133   <<    C11111333133313232233133313331333131133132313331312111133121311333   >>      C11111333133313232233133313331333131133132313331312111133121311332   >>