C333312111133133312111133133313331333132231331121111331323223313221211   >>    C33331211113313331211113313331333133313223133112111133132322331322121   <<    C333312111133133312111133133313331333132231331121111331323223313221213   >>      C333312111133133312111133133313331333132231331121111331323223313221212   >>