C1111233133313231133133313311211113313231323223313331323132223112331   >>    C111123313331323113313331331121111331323132322331333132313222311233   <<    C1111233133313231133133313311211113313231323223313331323132223112333   >>      C1111233133313231133133313311211113313231323223313331323132223112332   >>