C22213331333133313112331323133313331333133313112331312111113331333121221   >>    C2221333133313331311233132313331333133313331311233131211111333133312122   <<    C22213331333133313112331323133313331333133313112331312111113331333121223   >>      C22213331333133313112331323133313331333133313112331312111113331333121222   >>