C22212323232133313113313331333133313231323133313332233122323123113221   >>    C2221232323213331311331333133313331323132313331333223312232312311322   <<    C22212323232133313113313331333133313231323133313332233122323123113223   >>      C22212323232133313113313331333133313231323133313332233122323123113222   >>