C111113331333132322331333133313331333133313121111331333131121131211121   >>    C11111333133313232233133313331333133313331312111133133313112113121112   <<    C111113331333132322331333133313331333133313121111331333131121131211123   >>      C111113331333132322331333133313331333133313121111331333131121131211122   >>