C132233133112121111331333133313331323331323121111331312111133132313211211   >>    C13223313311212111133133313331333132333132312111133131211113313231321121   <<    C132233133112121111331333133313331323331323121111331312111133132313211213   >>      C132233133112121111331333133313331323331323121111331312111133132313211212   >>