C3132121111133313233121111331333133313331322331333132313221223112111   >>    C313212111113331323312111133133313331333132233133313231322122311211   <<    C3132121111133313233121111331333133313331322331333132313221223112113   >>      C3132121111133313233121111331333133313331322331333132313221223112112   >>