C1111233133313231133133313331333133313231323112331333131323132322222311   >>    C111123313331323113313331333133313331323132311233133313132313232222231   <<    C1111233133313231133133313331333133313231323112331333131323132322222313   >>      C1111233133313231133133313331333133313231323112331333131323132322222312   >>