C3132121111133313233121111331333133313331333133313331331121111331323223313331   >>    C313212111113331323312111133133313331333133313331333133112111133132322331333   <<    C3132121111133313233121111331333133313331333133313331331121111331323223313333   >>      C3132121111133313233121111331333133313331333133313331331121111331323223313332   >>