C312312111111331312111133133313331323331333131211113313221323221133131   >>    C31231211111133131211113313331333132333133313121111331322132322113313   <<    C312312111111331312111133133313331323331333131211113313221323221133133   >>      C312312111111331312111133133313331323331333131211113313221323221133132   >>