C312322331333132212111133133313331333133312121111331333112331311122131211   >>    C31232233133313221211113313331333133313331212111133133311233131112213121   <<    C312322331333132212111133133313331333133312121111331333112331311122131213   >>      C312322331333132212111133133313331333133312121111331333112331311122131212   >>