C3132121111133313233121111331333133313331333133313331333133313331333112133211   >>    C313212111113331323312111133133313331333133313331333133313331333133311213321   <<    C3132121111133313233121111331333133313331333133313331333133313331333112133213   >>      C3132121111133313233121111331333133313331333133313331333133313331333112133212   >>