C3132121111133313233121111331333133313331333133313331333133313232233313331231   >>    C313212111113331323312111133133313331333133313331333133313331323223331333123   <<    C3132121111133313233121111331333133313331333133313331333133313232233313331233   >>      C3132121111133313233121111331333133313331333133313331333133313232233313331232   >>