C11111333133313232233133313331333132313331323321313331333131131211111121332321   >>    C1111133313331323223313331333133313231333132332131333133313113121111112133232   <<    C11111333133313232233133313331333132313331323321313331333131131211111121332323   >>      C11111333133313232233133313331333132313331323321313331333131131211111121332322   >>