C312312111133131212111133133313331322331323223313231333132313332212131   >>    C31231211113313121211113313331333132233132322331323133313231333221213   <<    C312312111133131212111133133313331322331323223313231333132313332212133   >>      C312312111133131212111133133313331322331323223313231333132313332212132   >>