C2221333133313331311233132313331333133313331321123231333132322331323232221   >>    C222133313331333131123313231333133313331333132112323133313232233132323222   <<    C2221333133313331311233132313331333133313331321123231333132322331323232223   >>      C2221333133313331311233132313331333133313331321123231333132322331323232222   >>