C3123223313331322121111331333133313231333132212111133133311233133322222311   >>    C312322331333132212111133133313331323133313221211113313331123313332222231   <<    C3123223313331322121111331333133313231333132212111133133311233133322222313   >>      C3123223313331322121111331333133313231333132212111133133311233133322222312   >>