C3132121111133313233121111331333133313331333133313331333131133132313331323111   >>    C313212111113331323312111133133313331333133313331333133313113313231333132311   <<    C3132121111133313233121111331333133313331333133313331333131133132313331323113   >>      C3132121111133313233121111331333133313331333133313331333131133132313331323112   >>