C222123232321333131133133313331323133313231333131331131332331223121   >>    C22212323232133313113313331333132313331323133313133113133233122312   <<    C222123232321333131133133313331323133313231333131331131332331223123   >>      C222123232321333131133133313331323133313231333131331131332331223122   >>