C222133313331333131123313231333133313331333132112323133313221211111211113313221   >>    C22213331333133313112331323133313331333133313211232313331322121111121111331322   <<    C222133313331333131123313231333133313331333132112323133313221211111211113313223   >>      C222133313331333131123313231333133313331333132112323133313221211111211113313222   >>