C222123232321333131133133313331323133313231322132313121313323121   >>    C22212323232133313113313331333132313331323132213231312131332312   <<    C222123232321333131133133313331323133313231322132313121313323123   >>      C222123232321333131133133313331323133313231322132313121313323122   >>