C11111333133313232233133313331333133313332322331331121111331323231333121133231   >>    C1111133313331323223313331333133313331333232233133112111133132323133312113323   <<    C11111333133313232233133313331333133313332322331331121111331323231333121133233   >>      C11111333133313232233133313331333133313332322331331121111331323231333121133232   >>