C22212323232133313113313331333132313331323331123231323323232321221   >>    C2221232323213331311331333133313231333132333112323132332323232122   <<    C22212323232133313113313331333132313331323331123231323323232321223   >>      C22212323232133313113313331333132313331323331123231323323232321222   >>