C111123313331323113313331333133313331323133113313331323221323221   >>    C11112331333132311331333133313331333132313311331333132322132322   <<    C111123313331323113313331333133313331323133113313331323221323223   >>      C111123313331323113313331333133313331323133113313331323221323222   >>