C111123313331323113313331333133313331323133113313331333132331111211331   >>    C11112331333132311331333133313331333132313311331333133313233111121133   <<    C111123313331323113313331333133313331323133113313331333132331111211333   >>      C111123313331323113313331333133313331323133113313331333132331111211332   >>