C22212323232133313113313331333132313331323132213231312131131132211   >>    C2221232323213331311331333133313231333132313221323131213113113221   <<    C22212323232133313113313331333132313331323132213231312131131132213   >>      C22212323232133313113313331333132313331323132213231312131131132212   >>