C3132121111133313233121111331333133313331333133313331333133313221323133313331   >>    C313212111113331323312111133133313331333133313331333133313331322132313331333   <<    C3132121111133313233121111331333133313331333133313331333133313221323133313333   >>      C3132121111133313233121111331333133313331333133313331333133313221323133313332   >>