C11112331333132311331333133313331323133313231131211113313232322123331   >>    C1111233133313231133133313331333132313331323113121111331323232212333   <<    C11112331333132311331333133313331323133313231131211113313232322123333   >>      C11112331333132311331333133313331323133313231131211113313232322123332   >>