C3132121111133313233121111331333133313331333133313331333133313331311222323231   >>    C313212111113331323312111133133313331333133313331333133313331333131122232323   <<    C3132121111133313233121111331333133313331333133313331333133313331311222323233   >>      C3132121111133313233121111331333133313331333133313331333133313331311222323232   >>