C111123313121111121111331333132313331323133313331323223313331333131312231   >>    C11112331312111112111133133313231333132313331333132322331333133313131223   <<    C111123313121111121111331333132313331323133313331323223313331333131312233   >>      C111123313121111121111331333132313331323133313331323223313331333131312232   >>