C3132121111133313233121111331333133313331333133313331333133313331333232113131   >>    C313212111113331323312111133133313331333133313331333133313331333133323211313   <<    C3132121111133313233121111331333133313331333133313331333133313331333232113133   >>      C3132121111133313233121111331333133313331333133313331333133313331333232113132   >>