C3132121111133313233121111331333133313331333133313331333133313233113323231   >>    C313212111113331323312111133133313331333133313331333133313331323311332323   <<    C3132121111133313233121111331333133313331333133313331333133313233113323233   >>      C3132121111133313233121111331333133313331333133313331333133313233113323232   >>