C222133313331333131123313231333133313331333133313331211111121311   >>    C22213331333133313112331323133313331333133313331333121111112131   <<    C222133313331333131123313231333133313331333133313331211111121313   >>      C222133313331333131123313231333133313331333133313331211111121312   >>