C3132121111133313233121111331333133313331333133313331333133313331312213112131   >>    C313212111113331323312111133133313331333133313331333133313331333131221311213   <<    C3132121111133313233121111331333133313331333133313331333133313331312213112133   >>      C3132121111133313233121111331333133313331333133313331333133313331312213112132   >>