C22213331333133313112331323133313331333133313211232313331323221211111313131   >>    C2221333133313331311233132313331333133313331321123231333132322121111131313   <<    C22213331333133313112331323133313331333133313211232313331323221211111313133   >>      C22213331333133313112331323133313331333133313211232313331323221211111313132   >>