C3132121111133313233121111331333133313331333133313331133132333131   >>    C313212111113331323312111133133313331333133313331333113313233313   <<    C3132121111133313233121111331333133313331333133313331133132333133   >>      C3132121111133313233121111331333133313331333133313331133132333132   >>