C222123232321333131133133313331333132313231333133322331223231323221211231   >>    C22212323232133313113313331333133313231323133313332233122323132322121123   <<    C222123232321333131133133313331333132313231333133322331223231323221211233   >>      C222123232321333131133133313331333132313231333133322331223231323221211232   >>