C11111333133313232233133313331333133313221333133313232212111133132322113111   >>    C1111133313331323223313331333133313331322133313331323221211113313232211311   <<    C11111333133313232233133313331333133313221333133313232212111133132322113113   >>      C11111333133313232233133313331333133313221333133313232212111133132322113112   >>