C3132121111331312113313331333133313331333132313331333133313232233131133121   >>    C313212111133131211331333133313331333133313231333133313331323223313113312   <<    C3132121111331312113313331333133313331333132313331333133313232233131133123   >>      C3132121111331312113313331333133313331333132313331333133313232233131133122   >>