C3132121111133313233121111331333133313331333133313331333133112133231   >>    C313212111113331323312111133133313331333133313331333133313311213323   <<    C3132121111133313233121111331333133313331333133313331333133112133233   >>      C3132121111133313233121111331333133313331333133313331333133112133232   >>