C22213331333133313112331323133313331333133313222313331333133311233131121311   >>    C2221333133313331311233132313331333133313331322231333133313331123313112131   <<    C22213331333133313112331323133313331333133313222313331333133311233131121313   >>      C22213331333133313112331323133313331333133313222313331333133311233131121312   >>