C2221333133313331311233132313331333133313331311233131333132213113211331   >>    C222133313331333131123313231333133313331333131123313133313221311321133   <<    C2221333133313331311233132313331333133313331311233131333132213113211333   >>      C2221333133313331311233132313331333133313331311233131333132213113211332   >>