C22212323232133313113313331333133313231323133313332233122323123331223131   >>    C2221232323213331311331333133313331323132313331333223312232312333122313   <<    C22212323232133313113313331333133313231323133313332233122323123331223133   >>      C22212323232133313113313331333133313231323133313332233122323123331223132   >>