C3132121111133313233121111331333133313331333133313331333131133133313311233111   >>    C313212111113331323312111133133313331333133313331333133313113313331331123311   <<    C3132121111133313233121111331333133313331333133313331333131133133313311233113   >>      C3132121111133313233121111331333133313331333133313331333131133133313311233112   >>