C111123313331323113313331333133313331323133113313231333131313331   >>    C11112331333132311331333133313331333132313311331323133313131333   <<    C111123313331323113313331333133313331323133113313231333131313333   >>      C111123313331323113313331333133313331323133113313231333131313332   >>