C2221333133313331311233132313331333133313331311233131211111333133323223321   >>    C222133313331333131123313231333133313331333131123313121111133313332322332   <<    C2221333133313331311233132313331333133313331311233131211111333133323223323   >>      C2221333133313331311233132313331333133313331311233131211111333133323223322   >>