C3132121111133313233121111331333133313331333133313331333133313331312212111   >>    C313212111113331323312111133133313331333133313331333133313331333131221211   <<    C3132121111133313233121111331333133313331333133313331333133313331312212113   >>      C3132121111133313233121111331333133313331333133313331333133313331312212112   >>