C222123232321333131133133313331333132313231333133322331223231123113121221   >>    C22212323232133313113313331333133313231323133313332233122323112311312122   <<    C222123232321333131133133313331333132313231333133322331223231123113121223   >>      C222123232321333131133133313331333132313231333133322331223231123113121222   >>