C132233133112121111331333133313331312121111133313331333131133132233132212321   >>    C13223313311212111133133313331333131212111113331333133313113313223313221232   <<    C132233133112121111331333133313331312121111133313331333131133132233132212323   >>      C132233133112121111331333133313331312121111133313331333131133132233132212322   >>