C1111233133313231133133313331333133313231331121133132323112113111   >>    C111123313331323113313331333133313331323133112113313232311211311   <<    C1111233133313231133133313331333133313231331121133132323112113113   >>      C1111233133313231133133313331333133313231331121133132323112113112   >>