C3132121111133313233121111331333133313331312121111331333133313221122111   >>    C313212111113331323312111133133313331333131212111133133313331322112211   <<    C3132121111133313233121111331333133313331312121111331333133313221122113   >>      C3132121111133313233121111331333133313331312121111331333133313221122112   >>