C3132121111133313233121111331333133313331333133313331333133313223113313113321   >>    C313212111113331323312111133133313331333133313331333133313331322311331311332   <<    C3132121111133313233121111331333133313331333133313331333133313223113313113323   >>      C3132121111133313233121111331333133313331333133313331333133313223113313113322   >>