C222133313331333131123313231333133313331333132223133313231333213221   >>    C22213331333133313112331323133313331333133313222313331323133321322   <<    C222133313331333131123313231333133313331333132223133313231333213223   >>      C222133313331333131123313231333133313331333132223133313231333213222   >>