C3132121111133313233121111331333133313331333133313331333133313311213233111   >>    C313212111113331323312111133133313331333133313331333133313331331121323311   <<    C3132121111133313233121111331333133313331333133313331333133313311213233113   >>      C3132121111133313233121111331333133313331333133313331333133313311213233112   >>