C333312111133133312111133133313331312111133223313331323223323221211   >>    C33331211113313331211113313331333131211113322331333132322332322121   <<    C333312111133133312111133133313331312111133223313331323223323221213   >>      C333312111133133312111133133313331312111133223313331323223323221212   >>