C111113331333132322331333133313331333133313121111331333112312131   >>    C11111333133313232233133313331333133313331312111133133311231213   <<    C111113331333132322331333133313331333133313121111331333112312133   >>      C111113331333132322331333133313331333133313121111331333112312132   >>