C132233133112121111331333133313331312121111133313331333131133132233132212331   >>    C13223313311212111133133313331333131212111113331333133313113313223313221233   <<    C132233133112121111331333133313331312121111133313331333131133132233132212333   >>      C132233133112121111331333133313331312121111133313331333131133132233132212332   >>