C11111333133313232233133313331333132313331323321313331333132213232332311   >>    C1111133313331323223313331333133313231333132332131333133313221323233231   <<    C11111333133313232233133313331333132313331323321313331333132213232332313   >>      C11111333133313232233133313331333132313331323321313331333132213232332312   >>