C3132121111133313233121111331333133313331333133313331333133112133221   >>    C313212111113331323312111133133313331333133313331333133313311213322   <<    C3132121111133313233121111331333133313331333133313331333133112133223   >>      C3132121111133313233121111331333133313331333133313331333133112133222   >>