C132233133112121111331333133313331333132322331333133313233211332131   >>    C13223313311212111133133313331333133313232233133313331323321133213   <<    C132233133112121111331333133313331333132322331333133313233211332133   >>      C132233133112121111331333133313331333132322331333133313233211332132   >>