C132233133112121111331333133313331323133313233121111121211331211   >>    C13223313311212111133133313331333132313331323312111112121133121   <<    C132233133112121111331333133313331323133313233121111121211331213   >>      C132233133112121111331333133313331323133313233121111121211331212   >>