C3132121111133313233121111331333133313331333133313331333133313232113311231   >>    C313212111113331323312111133133313331333133313331333133313331323211331123   <<    C3132121111133313233121111331333133313331333133313331333133313232113311233   >>      C3132121111133313233121111331333133313331333133313331333133313232113311232   >>