C11111333133313232233133313331333131133132313331333131121211131   >>    C1111133313331323223313331333133313113313231333133313112121113   <<    C11111333133313232233133313331333131133132313331333131121211133   >>      C11111333133313232233133313331333131133132313331333131121211132   >>