C3132121111133313233121111331333133313331333133313331333132313331321123231331   >>    C313212111113331323312111133133313331333133313331333133313231333132112323133   <<    C3132121111133313233121111331333133313331333133313331333132313331321123231333   >>      C3132121111133313233121111331333133313331333133313331333132313331321123231332   >>