C132233133112121111331333133313331333132322331333131121131212311   >>    C13223313311212111133133313331333133313232233133313112113121231   <<    C132233133112121111331333133313331333132322331333131121131212313   >>      C132233133112121111331333133313331333132322331333131121131212312   >>