C111123313331323113313331333133313331323133113313331333132322132223221   >>    C11112331333132311331333133313331333132313311331333133313232213222322   <<    C111123313331323113313331333133313331323133113313331333132322132223223   >>      C111123313331323113313331333133313331323133113313331333132322132223222   >>