C312322331333132212111133133313331333133312121111331333112133323311   >>    C31232233133313221211113313331333133313331212111133133311213332331   <<    C312322331333132212111133133313331333133312121111331333112133323313   >>      C312322331333132212111133133313331333133312121111331333112133323312   >>