C3132121111133313233121111331333133313331312121111331333131323221132211   >>    C313212111113331323312111133133313331333131212111133133313132322113221   <<    C3132121111133313233121111331333133313331312121111331333131323221132213   >>      C3132121111133313233121111331333133313331312121111331333131323221132212   >>