C22212323232133313113313331333133313231323133313332233122321133323221   >>    C2221232323213331311331333133313331323132313331333223312232113332322   <<    C22212323232133313113313331333133313231323133313332233122321133323223   >>      C22212323232133313113313331333133313231323133313332233122321133323222   >>