C222123232321333131133133313331323132313331323221233233131133121   >>    C22212323232133313113313331333132313231333132322123323313113312   <<    C222123232321333131133133313331323132313331323221233233131133123   >>      C222123232321333131133133313331323132313331323221233233131133122   >>