C3132121111133313233121111331333133313331333133313331333133313233112323132311   >>    C313212111113331323312111133133313331333133313331333133313331323311232313231   <<    C3132121111133313233121111331333133313331333133313331333133313233112323132313   >>      C3132121111133313233121111331333133313331333133313331333133313233112323132312   >>