C22212323232133313113313331333132313331323331123233121311332221   >>    C2221232323213331311331333133313231333132333112323312131133222   <<    C22212323232133313113313331333132313331323331123233121311332223   >>      C22212323232133313113313331333132313331323331123233121311332222   >>