C11111333133313232233133313331333132313331323321313331312111113331123231   >>    C1111133313331323223313331333133313231333132332131333131211111333112323   <<    C11111333133313232233133313331333132313331323321313331312111113331123233   >>      C11111333133313232233133313331333132313331323321313331312111113331123232   >>