C22213331333133313112331323133313331333133313331333132313331333133313231231221   >>    C2221333133313331311233132313331333133313331333133313231333133313331323123122   <<    C22213331333133313112331323133313331333133313331333132313331333133313231231223   >>      C22213331333133313112331323133313331333133313331333132313331333133313231231222   >>