C11112331333132311331333133313331323133313231131211113313223313232223331   >>    C1111233133313231133133313331333132313331323113121111331322331323222333   <<    C11112331333132311331333133313331323133313231131211113313223313232223333   >>      C11112331333132311331333133313331323133313231131211113313223313232223332   >>