C2221333133313331311233132313331333133313331322231333133313231232323321133121   >>    C222133313331333131123313231333133313331333132223133313331323123232332113312   <<    C2221333133313331311233132313331333133313331322231333133313231232323321133123   >>      C2221333133313331311233132313331333133313331322231333133313231232323321133122   >>