C222133313331333131123313231333133313331333133313331323133313331333132312312121   >>    C22213331333133313112331323133313331333133313331333132313331333133313231231212   <<    C222133313331333131123313231333133313331333133313331323133313331333132312312123   >>      C222133313331333131123313231333133313331333133313331323133313331333132312312122   >>