C111123313331323113313331333133313331323112133313331323222313331313221   >>    C11112331333132311331333133313331333132311213331333132322231333131322   <<    C111123313331323113313331333133313331323112133313331323222313331313223   >>      C111123313331323113313331333133313331323112133313331323222313331313222   >>