C3132121111133313233121111331333133313331333133313331333133313232233312323131   >>    C313212111113331323312111133133313331333133313331333133313331323223331232313   <<    C3132121111133313233121111331333133313331333133313331333133313232233312323133   >>      C3132121111133313233121111331333133313331333133313331333133313232233312323132   >>