C3132121111133313233121111331333133313331333133313331333133313113313112122131   >>    C313212111113331323312111133133313331333133313331333133313331311331311212213   <<    C3132121111133313233121111331333133313331333133313331333133313113313112122133   >>      C3132121111133313233121111331333133313331333133313331333133313113313112122132   >>