C312322331333132212111133133313331333133312121111331121133133313112113122311   >>    C31232233133313221211113313331333133313331212111133112113313331311211312231   <<    C312322331333132212111133133313331333133312121111331121133133313112113122313   >>      C312322331333132212111133133313331333133312121111331121133133313112113122312   >>