C2221333133313331311233132313331333133313331323321133132313222211   >>    C222133313331333131123313231333133313331333132332113313231322221   <<    C2221333133313331311233132313331333133313331323321133132313222213   >>      C2221333133313331311233132313331333133313331323321133132313222212   >>