C2221333133313331311233132313331333133313331323232133313121111113313123221   >>    C222133313331333131123313231333133313331333132323213331312111111331312322   <<    C2221333133313331311233132313331333133313331323232133313121111113313123223   >>      C2221333133313331311233132313331333133313331323232133313121111113313123222   >>