C222133313331333131123313231333133313331333132112323131333132211331   >>    C22213331333133313112331323133313331333133313211232313133313221133   <<    C222133313331333131123313231333133313331333132112323131333132211333   >>      C222133313331333131123313231333133313331333132112323131333132211332   >>