C132233133112121111331333133313331312121111133313331333112133313331333132211331   >>    C13223313311212111133133313331333131212111113331333133311213331333133313221133   <<    C132233133112121111331333133313331312121111133313331333112133313331333132211333   >>      C132233133112121111331333133313331312121111133313331333112133313331333132211332   >>