C22212323232133313113313331333132313331323331123231323323211212131   >>    C2221232323213331311331333133313231333132333112323132332321121213   <<    C22212323232133313113313331333132313331323331123231323323211212133   >>      C22212323232133313113313331333132313331323331123231323323211212132   >>