C132233133112121111331333133313331323133313331333133313331333112221311   >>    C13223313311212111133133313331333132313331333133313331333133311222131   <<    C132233133112121111331333133313331323133313331333133313331333112221313   >>      C132233133112121111331333133313331323133313331333133313331333112221312   >>