C2221333133313331311233132313331333133313331321123231333132321221311   >>    C222133313331333131123313231333133313331333132112323133313232122131   <<    C2221333133313331311233132313331333133313331321123231333132321221313   >>      C2221333133313331311233132313331333133313331321123231333132321221312   >>