C22212323232133313113313331333132313331323331123231323323222212131   >>    C2221232323213331311331333133313231333132333112323132332322221213   <<    C22212323232133313113313331333132313331323331123231323323222212133   >>      C22212323232133313113313331333132313331323331123231323323222212132   >>