C3132121111133313233121111331333133313331333133313331333131133131122112323211   >>    C313212111113331323312111133133313331333133313331333133313113313112211232321   <<    C3132121111133313233121111331333133313331333133313331333131133131122112323213   >>      C3132121111133313233121111331333133313331333133313331333131133131122112323212   >>