C1111233133313231133133313331333133313231331122133313231333132223213331   >>    C111123313331323113313331333133313331323133112213331323133313222321333   <<    C1111233133313231133133313331333133313231331122133313231333132223213333   >>      C1111233133313231133133313331333133313231331122133313231333132223213332   >>