C111123313331323113313331333133313331323112133313331333121111121332221   >>    C11112331333132311331333133313331333132311213331333133312111112133222   <<    C111123313331323113313331333133313331323112133313331333121111121332223   >>      C111123313331323113313331333133313331323112133313331333121111121332222   >>