C3132121111133313233121111331333133313331333133313331333133313221333131121221   >>    C313212111113331323312111133133313331333133313331333133313331322133313112122   <<    C3132121111133313233121111331333133313331333133313331333133313221333131121223   >>      C3132121111133313233121111331333133313331333133313331333133313221333131121222   >>