C222133313331333131123313231333133313331333132312111113231333132332333132211331   >>    C22213331333133313112331323133313331333133313231211111323133313233233313221133   <<    C222133313331333131123313231333133313331333132312111113231333132332333132211333   >>      C222133313331333131123313231333133313331333132312111113231333132332333132211332   >>