C22213331333133313112331323133313331333133313211232313331333113121111133313231   >>    C2221333133313331311233132313331333133313331321123231333133311312111113331323   <<    C22213331333133313112331323133313331333133313211232313331333113121111133313233   >>      C22213331333133313112331323133313331333133313211232313331333113121111133313232   >>