C3132121111133313233121111331333133313331333133313331333133313332221331   >>    C313212111113331323312111133133313331333133313331333133313331333222133   <<    C3132121111133313233121111331333133313331333133313331333133313332221333   >>      C3132121111133313233121111331333133313331333133313331333133313332221332   >>