C22213331333133313112331323133313331333133313331333133313231333133313221211111   >>    C2221333133313331311233132313331333133313331333133313331323133313331322121111   <<    C22213331333133313112331323133313331333133313331333133313231333133313221211113   >>      C22213331333133313112331323133313331333133313331333133313231333133313221211112   >>