C2221333133313331311233132313331333133313331311233132322121332321   >>    C222133313331333131123313231333133313331333131123313232212133232   <<    C2221333133313331311233132313331333133313331311233132322121332323   >>      C2221333133313331311233132313331333133313331311233132322121332322   >>