C111113331333132322331333133313331333133313121111331333132313331333112123131   >>    C11111333133313232233133313331333133313331312111133133313231333133311212313   <<    C111113331333132322331333133313331333133313121111331333132313331333112123133   >>      C111113331333132322331333133313331333133313121111331333132313331333112123132   >>