C111123313331323113313331333133313331323133113313331333133313332113321   >>    C11112331333132311331333133313331333132313311331333133313331333211332   <<    C111123313331323113313331333133313331323133113313331333133313332113323   >>      C111123313331323113313331333133313331323133113313331333133313332113322   >>