C1111233131211111211113313331333133313311211111333132313331322331   >>    C111123313121111121111331333133313331331121111133313231333132233   <<    C1111233131211111211113313331333133313311211111333132313331322333   >>      C1111233131211111211113313331333133313311211111333132313331322332   >>